PST to CST to EST to CEST to GST to WIB to AEST to UTC Time Converter

Updating current time…
PDT/PST
Pacific Daylight Time
UTC−7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on daylight saving time: PDT (UTC−7) until Sun, Nov 1.
Use PST all year (UTC−8)
CDT/CST
Central Daylight Time
UTC−5
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.

Mexico City and Saskatchewan stay on CST (UTC−6).

Chicago · CDT (UTC−5)Mexico City, Saskatchewan · CST all year (UTC−6)
EDT/EST
Eastern Daylight Time
UTC−4
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 1.
Use EST all year (UTC−5)
CET/CEST
Central European Time
UTC+1
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Europe is on standard time: CET (UTC+1) until Sun, Mar 28, 2027.
Keep CEST (UTC+2)
GST
Gulf Standard Time
UTC+4
11h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WIB
Western Indonesian Time
UTC+7
14h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AEST
Australian Eastern Standard Time
UTC+10
17h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Queensland · AEST all year (UTC+10)Sydney, Melbourne · AEDT (UTC+11)
UTC
Coordinated Universal Time
UTC+0
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:30 am05:30 PDT (UTC-7), Oct 25, 2026 = 7:30 am07:30 CDT (UTC-5), Oct 25, 2026 = 8:30 am08:30 EDT (UTC-4), Oct 25, 2026 = 1:30 pm13:30 CET (UTC+1), Oct 25, 2026 = 4:30 pm16:30 GST (UTC+4), Oct 25, 2026 = 7:30 pm19:30 WIB (UTC+7), Oct 25, 2026 = 10:30 pm22:30 AEST (UTC+10), Oct 25, 2026 = 12:30 pm12:30 UTC (UTC+0), Oct 25, 2026

PDT is 2 hours behind CDT. PDT is 3 hours behind EDT. PDT is 8 hours behind CET. PDT is 11 hours behind GST. PDT is 14 hours behind WIB. PDT is 17 hours behind AEST. PDT is 7 hours behind UTC.

How the time difference changes

PST to CST

For most of the year, PDT is 2 hours behind CDT. From Nov 1, 2026 to Mar 14, 2027, PST is 2 hours behind CST. Briefly around clock changes, PDT is 1 hour behind CST or PST is 3 hours behind CDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 11:00 am to 8:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 11:00 am to 8:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 11:00 to 20:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 11:00 to 20:00 in CST.

PST to EST

For most of the year, PDT is 3 hours behind EDT. From Nov 1, 2026 to Mar 14, 2027, PST is 3 hours behind EST. Briefly around clock changes, PDT is 2 hours behind EST or PST is 4 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 12:00 pm to 9:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 12:00 pm to 9:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 12:00 to 21:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 12:00 to 21:00 in EST.

PST to CEST

For most of the year, PDT is 9 hours behind CEST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, PDT is 8 hours behind CET. From Nov 1, 2026 to Mar 14, 2027, PST is 9 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 6:00 pm to 3:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 6:00 pm to 3:00 am (next day) in CET or working hours of 9:00 am to 6:00 pm in PDT correspond to 5:00 pm to 2:00 am (next day) in CET.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 18:00 to 03:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 18:00 to 03:00 (next day) in CET or working hours of 09:00 to 18:00 in PDT correspond to 17:00 to 02:00 (next day) in CET.

PST to GST

For most of the year, PDT is 11 hours behind GST. From Nov 1, 2026 to Mar 14, 2027, PST is 12 hours behind GST.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 8:00 pm to 5:00 am (next day) in GST. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 9:00 pm to 6:00 am (next day) in GST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 20:00 to 05:00 (next day) in GST. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 21:00 to 06:00 (next day) in GST.

PST to WIB

For most of the year, PDT is 14 hours behind WIB. From Nov 1, 2026 to Mar 14, 2027, PST is 15 hours behind WIB.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 11:00 pm to 8:00 am (next day) in WIB. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 12:00 am (next day) to 9:00 am (next day) in WIB.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 23:00 to 08:00 (next day) in WIB. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 00:00 (next day) to 09:00 (next day) in WIB.

PST to AEST

For most of the year, PDT is 17 hours behind AEST. From Nov 1, 2026 to Mar 14, 2027, PST is 18 hours behind AEST.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 2:00 am (next day) to 11:00 am (next day) in AEST. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 3:00 am (next day) to 12:00 pm (next day) in AEST.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 02:00 (next day) to 11:00 (next day) in AEST. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 03:00 (next day) to 12:00 (next day) in AEST.

PST to UTC

For most of the year, PDT is 7 hours behind UTC. From Nov 1, 2026 to Mar 14, 2027, PST is 8 hours behind UTC.

For most of the year, working hours of 9:00 am to 6:00 pm in PDT correspond to 4:00 pm to 1:00 am (next day) in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in PST correspond to 5:00 pm to 2:00 am (next day) in UTC.For most of the year, working hours of 09:00 to 18:00 in PDT correspond to 16:00 to 01:00 (next day) in UTC. At other times of the year, working hours of 09:00 to 18:00 in PST correspond to 17:00 to 02:00 (next day) in UTC.

Compare PST time with CST, EST, CEST, GST, WIB, AEST, and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Daylight Time is 2 hours behind Central Daylight Time. Pacific Daylight Time is 3 hours behind Eastern Daylight Time. Pacific Daylight Time is 8 hours behind Central European Time. Pacific Daylight Time is 11 hours behind Gulf Standard Time. Pacific Daylight Time is 14 hours behind Western Indonesian Time. Pacific Daylight Time is 17 hours behind Australian Eastern Standard Time. Pacific Daylight Time is 7 hours behind Coordinated Universal Time.
5:30 am05:30 in PDT is 7:30 am07:30 in CDT and is 8:30 am08:30 in EDT and is 1:30 pm13:30 in CET and is 4:30 pm16:30 in GST and is 7:30 pm19:30 in WIB and is 10:30 pm22:30 in AEST and is 12:30 pm12:30 in UTC

PDT to CDT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in PDT which corresponds to 11am-6pm11:00-18:00 in CDT
PDT to EDT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PDT which corresponds to 12pm-6pm12:00-18:00 in EDT
PDT to CET call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in PDT which corresponds to 5pm-6pm17:00-18:00 in CET
PDT to GST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in PDT which corresponds to 6:30pm-7:30pm18:30-19:30 in GST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
PDT to WIB call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in PDT which corresponds to 8am-9am08:00-09:00 in WIB (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
PDT to AEST call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in PDT which corresponds to 9am-11am09:00-11:00 in AEST (next day)
PDT to UTC call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in PDT which corresponds to 4pm-6pm16:00-18:00 in UTC

5:30 am05:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
7:30 am07:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
8:30 am08:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
1:30 pm13:30 Central European Time (CET). Offset UTC +1:00 hour
4:30 pm16:30 Gulf Standard Time (GST). Offset UTC +4:00 hours
7:30 pm19:30 Western Indonesian Time (WIB). Offset UTC +7:00 hours
10:30 pm22:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
12:30 pm12:30 Coordinated Universal Time (UTC). Offset UTC 0:00 hours

5:30 am05:30 PDT / 7:30 am07:30 CDT / 8:30 am08:30 EDT / 1:30 pm13:30 CET / 4:30 pm16:30 GST / 7:30 pm19:30 WIB / 10:30 pm22:30 AEST / 12:30 pm12:30 UTC

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
PDTCDTEDTCETGSTWIBAESTUTC
2:00am3:00am8:00am11:00am2:00pm5:00pm7:00am
3:00am4:00am9:00am12:00pm3:00pm6:00pm8:00am
4:00am5:00am10:00am1:00pm4:00pm7:00pm9:00am
5:00am6:00am11:00am2:00pm5:00pm8:00pm10:00am
6:00am7:00am12:00pm3:00pm6:00pm9:00pm11:00am
7:00am8:00am1:00pm4:00pm7:00pm10:00pm12:00pm
8:00am9:00am2:00pm5:00pm8:00pm11:00pm1:00pm
9:00am10:00am3:00pm6:00pm9:00pm12:00am next day2:00pm
10:00am11:00am4:00pm7:00pm10:00pm1:00am next day3:00pm
11:00am12:00pm5:00pm8:00pm11:00pm2:00am next day4:00pm
12:00pm1:00pm6:00pm9:00pm12:00am next day3:00am next day5:00pm
1:00pm2:00pm7:00pm10:00pm1:00am next day4:00am next day6:00pm
2:00pm3:00pm8:00pm11:00pm2:00am next day5:00am next day7:00pm
3:00pm4:00pm9:00pm12:00am next day3:00am next day6:00am next day8:00pm
4:00pm5:00pm10:00pm1:00am next day4:00am next day7:00am next day9:00pm
5:00pm6:00pm11:00pm2:00am next day5:00am next day8:00am next day10:00pm
6:00pm7:00pm12:00am next day3:00am next day6:00am next day9:00am next day11:00pm
7:00pm8:00pm1:00am next day4:00am next day7:00am next day10:00am next day12:00am next day
8:00pm9:00pm2:00am next day5:00am next day8:00am next day11:00am next day1:00am next day
9:00pm10:00pm3:00am next day6:00am next day9:00am next day12:00pm next day2:00am next day
10:00pm11:00pm4:00am next day7:00am next day10:00am next day1:00pm next day3:00am next day
11:00pm12:00am next day5:00am next day8:00am next day11:00am next day2:00pm next day4:00am next day
12:00am next day1:00am next day6:00am next day9:00am next day12:00pm next day3:00pm next day5:00am next day
1:00am next day2:00am next day7:00am next day10:00am next day1:00pm next day4:00pm next day6:00am next day
02:0003:0008:0011:0014:0017:0007:00
03:0004:0009:0012:0015:0018:0008:00
04:0005:0010:0013:0016:0019:0009:00
05:0006:0011:0014:0017:0020:0010:00
06:0007:0012:0015:0018:0021:0011:00
07:0008:0013:0016:0019:0022:0012:00
08:0009:0014:0017:0020:0023:0013:00
09:0010:0015:0018:0021:0000:00 next day14:00
10:0011:0016:0019:0022:0001:00 next day15:00
11:0012:0017:0020:0023:0002:00 next day16:00
12:0013:0018:0021:0000:00 next day03:00 next day17:00
13:0014:0019:0022:0001:00 next day04:00 next day18:00
14:0015:0020:0023:0002:00 next day05:00 next day19:00
15:0016:0021:0000:00 next day03:00 next day06:00 next day20:00
16:0017:0022:0001:00 next day04:00 next day07:00 next day21:00
17:0018:0023:0002:00 next day05:00 next day08:00 next day22:00
18:0019:0000:00 next day03:00 next day06:00 next day09:00 next day23:00
19:0020:0001:00 next day04:00 next day07:00 next day10:00 next day00:00 next day
20:0021:0002:00 next day05:00 next day08:00 next day11:00 next day01:00 next day
21:0022:0003:00 next day06:00 next day09:00 next day12:00 next day02:00 next day
22:0023:0004:00 next day07:00 next day10:00 next day13:00 next day03:00 next day
23:0000:00 next day05:00 next day08:00 next day11:00 next day14:00 next day04:00 next day
00:00 next day01:00 next day06:00 next day09:00 next day12:00 next day15:00 next day05:00 next day
01:00 next day02:00 next day07:00 next day10:00 next day13:00 next day16:00 next day06:00 next day

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today the shaded areas are on UTC−7 (PDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112End: Pacific Standard Time (PST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Pacific Standard Time (PST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).

123456789101112End: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today the lighter areas are on UTC−4 (EDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Central European Summer Time

Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Vatican City

Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.

German: MESZ - Mitteleuropäische Sommerzeit

Map of the areas on Central European Summer Time (CEST)
CEST part of the year

Today the shaded areas are on UTC+1 (CET).

Open the world time zone map© OpenStreetMap

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central European Time (CET).

123456789101112End: Central European Summer Time (CEST) ended on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

123456789101112Start: Central European Summer Time (CEST) starts on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

See upcoming clock changes worldwide.

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time

Gulf Standard Time

Offset: GST is 4 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Oman, United Arab Emirates

Principal Cities: The largest city in the GST time zone is Dubai in the United Arab Emirates, with about 3.79 million people. Other major cities in this time zone include Abu Dhabi, Sharjah, Al Ain City, Muscat.

Daylight Saving: Clocks in Gulf Standard Time (GST) do not change for daylight saving time, so GST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Gulf Standard Time (GST)
GST all year

Open the world time zone map© OpenStreetMap

GST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +04 - basic short
  • +0400 - basic
  • +04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0400 - sign character (+) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Delta - Military abbreviation for GST
  • D - short form of 'Delta'
Time zones with the GMT +4 offset:
  • KUYT - Kuybyshev Time
  • MSD - Moscow Daylight Time
  • SAMT - Samara Time
  • AMT - Armenia Time
  • AZT - Azerbaijan Time
  • D - Delta Time Zone
  • GET - Georgia Standard Time
  • GST - Gulf Standard Time
  • MUT - Mauritius Time
  • RET - Reunion Time
  • SCT - Seychelles Time

Western Indonesian Time

Offset: WIB is 7 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Indonesia

Principal Cities: The largest city in the WIB time zone is Jakarta in Indonesia, with about 8.54 million people. Other major cities in this time zone include Surabaya, Bekasi, Bandung, Medan.

Daylight Saving: Clocks in Western Indonesian Time (WIB) do not change for daylight saving time, so WIB stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Western Indonesian Time (WIB)
WIB all year

Open the world time zone map© OpenStreetMap

WIB representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +07 - basic short
  • +0700 - basic
  • +07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0700 - sign character (+) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Golf - Military abbreviation for WIB
  • G - short form of 'Golf'
IANA/Olson: Reflects WIB time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Jakarta
  • Asia/Pontianak
Time zones with the GMT +7 offset:
  • CXT - Christmas Island Time
  • DAVT - Davis Time
  • G - Golf Time Zone
  • HOVT - Hovd Time
  • ICT - Indochina Time
  • KRAT - Krasnoyarsk Time
  • NOVST - Novosibirsk Summer Time
  • NOVT - Novosibirsk Time
  • OMSST - Omsk Summer Time
  • WIB - Western Indonesian Time

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.

Map of the areas on Australian Eastern Standard Time (AEST)
AEST all year AEST part of the year

Today the lighter areas are on UTC+11 (AEDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).

123456789101112End: Australian Eastern Standard Time (AEST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See Australia daylight saving time and upcoming clock changes worldwide.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC−1.

Open the world time zone map© OpenStreetMap

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT